linux-kernel - Re: [PATCH v2 1/2] pwm: add microchip soft ip corePWM driver

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Date:   Thu, 16 Jun 2022 03:14:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Conor Dooley <conor.dooley@...rochip.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>
Cc:     kbuild-all@...ts.01.org,
        Daire McNamara <daire.mcnamara@...rochip.com>,
        linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH v2 1/2] pwm: add microchip soft ip corePWM driver

Hi Conor,

I love your patch! Yet something to improve:

[auto build test ERROR on thierry-reding-pwm/for-next]
[also build test ERROR on linus/master v5.19-rc2 next-20220615]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Conor-Dooley/pwm-add-microchip-soft-ip-corePWM-driver/20220613-211851
base:   https://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git for-next
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20220616/202206160239.6lkHbYaU-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/4451a8420f9fd16ee9a0801fcf02f1ec04bb8ab0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Conor-Dooley/pwm-add-microchip-soft-ip-corePWM-driver/20220613-211851
        git checkout 4451a8420f9fd16ee9a0801fcf02f1ec04bb8ab0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   powerpc-linux-ld: drivers/pwm/pwm-microchip-core.o: in function `mchp_core_pwm_apply':
>> pwm-microchip-core.c:(.text.mchp_core_pwm_apply+0x290): undefined reference to `__udivdi3'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp